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new revision of BaS native PCI driver that supports find_pci_device() and find_pci_classcode() functions from TOS

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This commit is contained in:
Markus Fröschle
2015-11-20 21:25:07 +00:00
parent 54cd5c8151
commit e9c21377d8
7 changed files with 323 additions and 5 deletions
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34
tos/pci_test/sources/pci_test.c
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@@ -6,6 +6,7 @@
#include "bas_printf.h"
#include "MCF5475.h"
#include "driver_vec.h"
#include "pci.h"
#define NOP() __asm__ __volatile__("nop\n\t" : : : "memory")
@@ -14,6 +15,8 @@
volatile int32_t time, start, end;
int i;
#define swpw(a) ((a) >> 8 | (a) << 8)
void do_tests(struct pci_native_driver_interface *pci)
{
#define PCI_READ_CONFIG_LONGWORD(a, b) pci->pci_read_config_longword(a, b)
@@ -24,7 +27,35 @@ void do_tests(struct pci_native_driver_interface *pci)
end = MCF_SLT0_SCNT;
time = (start - end) / (SYSCLK / 1000) / 1000;
xprintf("finished (took %f seconds).\r\n", time / 1000.0);
printf("iterate over PCI devices\r\n");
int16_t handle;
int16_t index = 0;
printf("\r\nPCI bus scan...\r\n\r\n");
printf(" Bus| Dev|Func|Vndr|D-ID|Hndl|\r\n");
printf("----+----+----+----+----+----+\r\n");
handle = (*pci->pci_find_device)(0x0, 0xFFFF, index);
while (handle > 0)
{
uint32_t value;
value = (*pci->pci_read_config_longword)(handle, PCIIDR);
printf(" %02x | %02x | %02x |%04x|%04x|%04x| (0x%02x)\r\n",
(char) PCI_BUS_FROM_HANDLE(handle),
(char) PCI_DEVICE_FROM_HANDLE(handle),
(char) PCI_FUNCTION_FROM_HANDLE(handle),
(short) PCI_VENDOR_ID(value), (short) PCI_DEVICE_ID(value),
(unsigned char) handle,
(char) (*pci->pci_read_config_byte)(handle, PCICCR));
handle = (*pci->pci_find_device)(0x0, 0xFFFF, ++index);
}
printf("\r\n...finished\r\n");
printf("finished (took %f seconds).\r\n", time / 1000.0);
}
struct driver_table *get_bas_drivers(void)
@@ -79,6 +110,7 @@ void pci_test(void)
pci_driver = ifc[i].interface.pci_native;
pci_driver_interface = &ifc[i];
printf("PCI native driver interface v%d.%02d found\r\n", pci_driver_interface->version, pci_driver_interface->revision);
printf("replaced old with newer driver version\r\n");
}
}
} while (ifc[++i].type != END_OF_DRIVERS);